1. R. M. Solow, ‘‘Technical change and the aggregate production function,’’ Rev. Econ. Stat. 39, 312–320 (1957).
2. P. Romer, ‘‘Increasing returns and long-run growth,’’ J. Polit. Econ. 94, 1002–1037 (1986).
3. R. Lucas, ‘‘On the mechanics of economic development,’’ J. Monet. Econ. 22, 3–42 (1988).
4. J. A. Schumpeter, Business Cycles: A Theoretical, Historical and Statistical Analysis of the Capitalist Process (McGraw-Hill, New York, 1939).
5. G. M. Henkin and A. A. Shananin, ‘‘Mathematical modeling of the schumpeterian dynamics of innovation,’’ Mat. Model. 26 (8), 3–19 (2014).